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FR2430143A1 - Dispositif de liaison hertzienne multiplexee - Google Patents

Dispositif de liaison hertzienne multiplexee

Info

Publication number
FR2430143A1
FR2430143A1 FR7819109A FR7819109A FR2430143A1 FR 2430143 A1 FR2430143 A1 FR 2430143A1 FR 7819109 A FR7819109 A FR 7819109A FR 7819109 A FR7819109 A FR 7819109A FR 2430143 A1 FR2430143 A1 FR 2430143A1
Authority
FR
France
Prior art keywords
link device
multiplexed
hertzian
hertzian link
thanks
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7819109A
Other languages
English (en)
Other versions
FR2430143B1 (fr
Inventor
Pierre Andreucci
Jacques Moron
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR7819109A priority Critical patent/FR2430143A1/fr
Priority to JP7391979A priority patent/JPS555592A/ja
Priority to US06/049,484 priority patent/US4276638A/en
Priority to EP79400409A priority patent/EP0006807B1/fr
Priority to DE7979400409T priority patent/DE2962793D1/de
Publication of FR2430143A1 publication Critical patent/FR2430143A1/fr
Application granted granted Critical
Publication of FR2430143B1 publication Critical patent/FR2430143B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Small-Scale Networks (AREA)
  • Transceivers (AREA)
  • Radio Transmission System (AREA)

Abstract

L'invention a pour objet un dispositif de liaison hertzienne multiplexée. Selon l'invention, on dispose dans le poste-directeur P un moyen pour réinjecter une partie des signaux basse fréquence délivrée par les récepteurs 4 et 6 de telle sorte que les opérateurs puissent communiquer entre eux grâce à leurs postes opérateurs P' et P". Application en télécommunications et notamment pour le personnel travaillant dans des enceintes de décontamination.
FR7819109A 1978-06-27 1978-06-27 Dispositif de liaison hertzienne multiplexee Granted FR2430143A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7819109A FR2430143A1 (fr) 1978-06-27 1978-06-27 Dispositif de liaison hertzienne multiplexee
JP7391979A JPS555592A (en) 1978-06-27 1979-06-12 Multiple radio frequency communicating device between control transceiver and at least two operator transceivers
US06/049,484 US4276638A (en) 1978-06-27 1979-06-15 Frequency multiplexed radio link apparatus
EP79400409A EP0006807B1 (fr) 1978-06-27 1979-06-19 Dispositif de liaison hertzienne multiplexée
DE7979400409T DE2962793D1 (en) 1978-06-27 1979-06-19 Arrangement for a multiplexed hertzian channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7819109A FR2430143A1 (fr) 1978-06-27 1978-06-27 Dispositif de liaison hertzienne multiplexee

Publications (2)

Publication Number Publication Date
FR2430143A1 true FR2430143A1 (fr) 1980-01-25
FR2430143B1 FR2430143B1 (fr) 1981-06-26

Family

ID=9210020

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7819109A Granted FR2430143A1 (fr) 1978-06-27 1978-06-27 Dispositif de liaison hertzienne multiplexee

Country Status (5)

Country Link
US (1) US4276638A (fr)
EP (1) EP0006807B1 (fr)
JP (1) JPS555592A (fr)
DE (1) DE2962793D1 (fr)
FR (1) FR2430143A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO156420C (no) * 1980-04-22 1987-09-16 Johnson Matthey Co Ltd Katode egnet for bruk ved en reaksjon som utvikler hydrogen, fremgangsmŸte til fremstilling av denne, samt anvendelse av katoden.
US4818855A (en) * 1985-01-11 1989-04-04 Indala Corporation Identification system
GB8615947D0 (en) * 1986-06-30 1986-10-29 Philips Electronic Associated Pocket radio
US4864564A (en) * 1986-06-30 1989-09-05 U.S. Philips Corporation Packet radio
US4759078A (en) * 1986-11-14 1988-07-19 Rose Communication Systems, Inc. Coordinated local oscillator receiving system
WO1991012672A1 (fr) * 1990-02-09 1991-08-22 Rose Communications, Inc. Procede et appareil d'obtention d'une bande laterale selective dans un signal de systeme de communications proximales sans fil
US5109545A (en) * 1990-02-09 1992-04-28 Rose Communications, Inc. Proximal cable-less communication system with intentional signal path
US5101505A (en) * 1990-02-09 1992-03-31 Rose Communications, Inc. Method and apparatus for selective sideband signal correction in a proximal cable-less communication system
US5219296A (en) * 1992-01-08 1993-06-15 Amp Incorporated Modular connector assembly and method of assembling same
US7040902B2 (en) * 2003-03-24 2006-05-09 Che-Yu Li & Company, Llc Electrical contact

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347839A1 (fr) * 1976-04-07 1977-11-04 Licentia Gmbh Systeme de radiotelephonie

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1607682A (en) * 1924-03-22 1926-11-23 American Telephone & Telegraph Radio repeater system
US1698777A (en) * 1924-11-08 1929-01-15 American Telephone & Telegraph Radiorepeater
US4131849A (en) * 1976-10-21 1978-12-26 Motorola, Inc. Two-way mobile radio voice/data shared communications system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347839A1 (fr) * 1976-04-07 1977-11-04 Licentia Gmbh Systeme de radiotelephonie

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NV1268/46 *
NV8080/71 *

Also Published As

Publication number Publication date
JPS555592A (en) 1980-01-16
FR2430143B1 (fr) 1981-06-26
DE2962793D1 (en) 1982-07-01
EP0006807A1 (fr) 1980-01-09
US4276638A (en) 1981-06-30
EP0006807B1 (fr) 1982-05-12

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Maryanski et al. SIGMINI'78: Proceedings of the First SIGMINI Symposium on Small Systems

Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse